Number Composition and Decomposition

The video tutorial introduces the concepts of composing and decomposing numbers. It begins with composing the number five using different combinations of smaller numbers. The lesson then progresses to composing the number ten, demonstrating various combinations. Following this, the video explains how to decompose the number ten into smaller numbers. The tutorial concludes with practice exercises to reinforce the concepts learned. Throughout the lesson, the importance of understanding how numbers can be broken down and built up is emphasized.

What is the result when you combine the numbers 4 and 1?

• 5

• 3

• 7

• 6

Which pair of numbers can be combined to make 5?

• 3 and 2

• 3 and 1

• 4 and 0

• 2 and 2

How can you compose the number 10 using the number 9?

• 9 and 2

• 9 and 1

• 9 and 3

• 9 and 0

Which of the following pairs can be used to compose the number 10?

• 6 and 3

• 7 and 3

• 5 and 4

• 8 and 1

What does it mean to decompose a number?

• To multiply numbers

• To break a number into smaller numbers

• To divide numbers

• To add numbers together

Which pair of numbers is a correct decomposition of 10?

• 2 and 9

• 3 and 7

• 4 and 5

• 5 and 6

How can you decompose the number 3?

• 3 and 1

• 1 and 1

• 1 and 2

• 2 and 2

Which of the following is a correct decomposition of the number 9?

• 4 and 4

• 5 and 3

• 6 and 2

• 4 and 5

What is one way to decompose the number 6?

• 5 and 1

• 4 and 1

• 2 and 2

• 3 and 3

Which pair of numbers can be used to decompose the number 4?

• 2 and 2

• 3 and 1

• 1 and 1

• 2 and 1